“Pretty Little Liars” stars Ashley Benson, Lucy Hale, Sasha Pieterse, Shay Mitchell, and Troian Bellisario chatted about their show’s suspenseful finale, and took on a challenge to win tickets for Ellen’s audience to The Most Wonderful Time of the Year!

United by dire circumstances, four unlikely allies from a Philadelphia prep school - the hacker, the slacker, the athlete, and the perfect student - band together to attempt the impossible: steal from the U.S. Mint.